Home / 5,355.09-7,389.57-3,230.97

Finding the Fourth Proportional to 5,355.09, 7,389.57 and 3,230.97

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Solution

The fourth proportional to 5,355.09, 7,389.57 and 3,230.97 is: 4,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.09 : 7,389.57 = 3,230.97 : x
  2. Step 2: Convert to fraction form
    5,355.09/7,389.57 = 3,230.97/x
  3. Step 3: Cross multiply
    5,355.09x = 7,389.57 × 3,230.97
  4. Step 4: Simplify right side
    5,355.09x = 23,875,478.98
  5. Step 5: Solve for x
    x = 23,875,478.98/5,355.09
  6. Step 6: Final answer
    x = 4,458.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.